[Mac] Use the app's version as the app shim bundle version.

chrome/common/mac/app_mode_common.h

Index: chrome/common/mac/app_mode_common.h
diff --git a/chrome/common/mac/app_mode_common.h b/chrome/common/mac/app_mode_common.h
index 4e6e07f5b0222f264aa5007b57273b64b62aa5c9..8527583082f2465b0cea1b607fd4e7b24f098a4b 100644
--- a/chrome/common/mac/app_mode_common.h
+++ b/chrome/common/mac/app_mode_common.h
@@ -66,9 +66,18 @@ extern NSString* const kBundleTypeRoleViewer;
 // bundles, this overrides the bundle's file name.
 extern NSString* const kCFBundleDisplayNameKey;
 
-// The Chrome version string in the app shim bundle.
+// When Chrome is built, any app bundles (e.g. the app shim template bundle)
+// will have their CFBundleShortVersionString set to the full version string of
+// that build. Since, this string is used by OSX when displaying an app bundle's
+// version, we override it in app shim bundles to show the app's version
+// instead.
 extern NSString* const kCFBundleShortVersionStringKey;
 
+// Key for the Chrome version that built the app shim bundle. This needs to be
+// added since we override CFBundleShortVersionString with the version of the
+// app.
+extern NSString* const kCrBundleVersionKey;
+
 // The key specifying whether the display name should be localized. This makes
 // Finder look in localization folders in the app bundle for a display name.
 // (e.g. Content/Resources/en.lproj/)